Background of bombing suspects emerges
Posted: April 19, 2013 - 9:21am

This combination of undated photos shows Tamerlan Tsarnaev, 26, left, and Dzhokhar Tsarnaev, 19. The FBI says the two brothers and suspects in the Boston Marathon bombing killed an MIT police officer, injured a transit officer in a firefight and threw explosive devices at police during a getaway attempt in a long night of violence that left Tamerlan dead and Dzhokhar still at large on Friday, April 19, 2013. The ethnic Chechen brothers lived in Dagestan, which borders the Chechnya region in southern Russia.
BOSTON (AP) — Tamerlan Tsarnaev was an amateur boxer who had hoped to fight on the U.S. Olympic team, a man who said he had no American friends....